Penn et al. (2018)
Also: Penn et al. 2018
Temperature-dependent hypoxia explains biogeography and severity of end-Permian marine mass extinction
Penn, J.L., Deutsch, C., Payne, J.L. & Sperling, E.A. (2018). Temperature-dependent hypoxia explains biogeography and severity of end-Permian marine mass extinction. Science. 362(6419),eaat1327. PDF
https://doi.org/10.1126/science.aat1327
References
All IPCC definitions taken from Climate Change 2007: The Physical Science Basis. Working Group I Contribution to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change, Annex I, Glossary, pp. 941-954. Cambridge University Press.